Best Time to Fly DEN to FLL: On-Time Stats by Hour & Airline
Denver International → Fort Lauderdale-Hollywood International
Data through July 2026 · Last updated October 18, 2026
1,606 flights were scheduled from Denver (DEN) to Fort Lauderdale (FLL) in the last 12 months, and 76.5% of those that flew arrived on time, 1.1 points below the US average of 77.6%.
Among 2 airlines, United Airlines led with 81.0% on time and Southwest Airlines was last with 63.2%.
Over 24 months, Tuesday was the most reliable day (82% on time) and July the worst month (57%).
The cancellation rate was 0.4% (US average 1.8%).
DEN to FLL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 81.0% | 59 min | 0.3% | 1,201 |
| Southwest Airlines | 63.2% | 57 min | 0.5% | 383 |
| JetBlue | Limited data | 22 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to FLL
On-time arrival % by scheduled departure hour (local time), 3,213 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 7 | |
| 5am–6am | Limited data | 19 | |
| 6am–7am | Limited data | 20 | |
| 7am–8am | 71.9% | 0.0% | 32 |
| 8am–9am | 82.1% | 0.5% | 198 |
| 9am–10am | 79.4% | 0.2% | 466 |
| 10am–11am | 78.7% | 0.4% | 523 |
| 11am–12pm | 78.2% | 1.3% | 79 |
| 12pm–1pm | 70.6% | 0.0% | 70 |
| 1pm–2pm | 78.5% | 0.7% | 436 |
| 2pm–3pm | 68.1% | 0.0% | 163 |
| 3pm–4pm | 57.5% | 0.0% | 80 |
| 4pm–5pm | Limited data | 21 | |
| 5pm–6pm | 72.5% | 0.7% | 689 |
| 6pm–7pm | 72.6% | 0.0% | 113 |
| 7pm–8pm | Limited data | 17 | |
| 11pm–12am | 83.9% | 0.4% | 280 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to FLL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 87.5% | +8.4 pts | 0.0% | 72 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.2% | -1.9 pts | 0.0% | 202 |
| Summer peak (Jun 15 - Aug 15) | 59.9% | -19.3 pts | 0.7% | 453 |
| All other days | 79.1% | — | 0.4% | 2,486 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).